JT Kirkpatrick ha scritto:
> I'm trying to do an update query that compares an int4 field to a variable
> which I think contains a string (it was passed in through cgi.pm). can I
> convert that string to an integer? - it will always be a number passing
> through. I vaguely remember oracle having a to_number function - does
> postgres have something similar?
>
> jt
Try this:
prova=> create table test(t text, i integer);
CREATE
prova=> insert into test values('123',123);
INSERT 64579 1
prova=> select cast(i as text),cast(t as int)from test;
text|int4
----+----
123| 123
(1 row)
José